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Handle unknown flags at the model

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This commit is contained in:
Audrius Butkevicius 2015-01-14 22:28:19 +00:00
parent 489e2e6ad5
commit 0e341832e0
1 changed files with 15 additions and 0 deletions
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15
internal/model/model.go
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@ -424,6 +424,11 @@ func (m *Model) NeedFolderFiles(folder string, max int) ([]db.FileInfoTruncated,
// Index is called when a new device is connected and we receive their full index.
// Implements the protocol.Model interface.
func (m *Model) Index(deviceID protocol.DeviceID, folder string, fs []protocol.FileInfo, flags uint32, options []protocol.Option) {
if flags != 0 {
l.Warnln("protocol error: unknown flags 0x%x in Index message", flags)
return
}
if debug {
l.Debugf("IDX(in): %s %q: %d files", deviceID, folder, len(fs))
}
@ -476,6 +481,11 @@ func (m *Model) Index(deviceID protocol.DeviceID, folder string, fs []protocol.F
// IndexUpdate is called for incremental updates to connected devices' indexes.
// Implements the protocol.Model interface.
func (m *Model) IndexUpdate(deviceID protocol.DeviceID, folder string, fs []protocol.FileInfo, flags uint32, options []protocol.Option) {
if flags != 0 {
l.Warnln("protocol error: unknown flags 0x%x in IndexUpdate message", flags)
return
}
if debug {
l.Debugf("%v IDXUP(in): %s / %q: %d files", m, deviceID, folder, len(fs))
}
@ -682,6 +692,11 @@ func (m *Model) Request(deviceID protocol.DeviceID, folder, name string, offset
return nil, ErrNoSuchFile
}
if flags != 0 {
// We don't currently support or expect any flags.
return nil, fmt.Errorf("protocol error: unknown flags 0x%x in Request message", flags)
}
// Verify that the requested file exists in the local model.
m.fmut.RLock()
folderFiles, ok := m.folderFiles[folder]